<template>
  <div>
    <el-dialog
      :title="form._id ? '修改' : '新增'"
      :visible.sync="dialogFormVisible"
      width="400px"
    >
      <el-form :model="form" ref="form" :rules="rules" label-width="100px">
        <el-form-item label="图片" prop="img">
          <upload
            action="/upload"
            :cicle="true"
            :width="300"
            :height="300"
            :on-success="onSuccess"
          >
            <img
              style="max-width: 100%; max-height: 100%"
              v-if="form.img"
              :src="form.img"
              class="avatar"
            />
            <div
              v-else
              style="
                border: 1px dashed #e4e4e4;
                width: 100px;
                height: 100px;
                line-height: 100px;
                text-align: center;
              "
            >
              <i class="el-icon-plus avatar-uploader-icon"></i>
            </div>
          </upload>
        </el-form-item>
        <el-form-item label="标题" prop="title">
          <el-input type="text" v-model="form.title"></el-input>
        </el-form-item>
        <el-form-item label="跳转地址" prop="url">
          <el-input type="text" v-model="form.url"></el-input>
        </el-form-item>
        <el-form-item label="类型" prop="type">
          <el-select v-model="form.type" placeholder="请选择">
            <el-option
              v-for="type in types"
              :key="type.value"
              :label="type.label"
              :value="type.value"
            >
            </el-option>
          </el-select>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">取 消</el-button>
        <el-button type="primary" @click="submit">确 定</el-button>
      </div>
    </el-dialog>
  </div>
</template>


<script>
import api from "@/api";
import upload from "@/components/Upload";
export default {
  name: "shouyeBanner",
  components: {
    upload,
  },
  data() {
    return {
      dialogFormVisible: false,
      form: {
        _id: 0,
        img: "",
        type: "banner",
        url: "",
        title: "",
      },
      rules: {
        img: [{ required: true, message: "图片不能为空", trigger: "blur" }],
        title: [{ required: true, message: "标题不能为空", trigger: "blur" }],
      },
      types: [
        { label: "轮播图", value: "banner" },
        { label: "分类区", value: "category" },
        { label: "为你推荐", value: "recommend" },
      ],
    };
  },
  methods: {
    add() {
      ///初始化
      this.form = {
        _id: 0,
        img: "",
        type: "banner",
        url: "",
        title: "",
      };
      this.dialogFormVisible = true;
    },
    edit(row) {
      this.form = row;
      this.dialogFormVisible = true;
    },
    openFile() {
      let fileElement = this.$refs.file;
      fileElement.click();
    },
    changeFile(e) {
      let files = e.target.files;
      let formData = new FormData();
      formData.append("file", files[0]);

      this.$http({
        url: "/upload",
        method: "POST",
        data: formData,
      }).then((res) => {
        if (res.path)
          this.form.img =
            api.baseURL + "/" + res.path.slice(0, 7) + "/" + res.path.slice(8);
        console.log(res);
      });
    },
    onSuccess(res) {
      //拼装图片路径赋值给表单
      console.log(res);
      this.form.img =
        api.baseURL + "/" + res.path.slice(0, 7) + "/" + res.path.slice(8);
    },
    submit() {
      this.$refs.form.validate((valid) => {
        if (valid) {
          this.form.indexId = this.form._id;
          this.$http({
            url: "/admin/index",
            method: this.form.indexId ? "PUT" : "POST", ///通过indexId来判断是新增还是修改
            data: this.form,
          }).then((res) => {
            if (!res.errorMsg) {
              this.dialogFormVisible = false;
              this.$emit("load", this.form.indexId ? undefined : 1);
            }
          });
        }
      });
    },
  },
  created() {},
  mounted() {},
};
</script>

<style scope>
.searchBox {
  margin-left: 24px;
  width: 1045px;
  height: 71px;
  background: #fff;
  display: flex;
}
.jzTable {
  margin-left: 24px;
  width: 1045px;
  background: #fff;
  margin-top: 12px;
}
.pagination {
  margin-left: 24px;
}
</style>
